Quadsense

The FDA filing describes QUADSENSE as a system for comparing forces in the patellofemoral joint during total knee surgery. It includes a patella sensor, adjustment shims, a control puck,…

Registry build 21.09.26

The FDA filing describes QUADSENSE as a system for comparing forces in the patellofemoral joint during total knee surgery. It includes a patella sensor, adjustment shims, a control puck, and a touchscreen Panel PC running QUADSENSE software.

The sensor records medial, lateral, superior, and inferior loads during range-of-motion trials, and the Panel PC displays readings in real time. The stated use is as a comparative force-measurement tool during primary total knee arthroplasty where the patella is resurfaced.

Listed Item

Single use sensor

Sensor and Readout

The FDA indications passage states that the sensor is sterile and for single-patient use.

1manufacturer
1catalogue number
2510(k) clearances naming this product code

Who Else Makes It

Registered in Guangdong. One is registered as a contract manufacturer, able to build to a specification.

Chinese manufacturers registered for FDA product code ONN
Manufacturer City Province Registered as Device types
Immetech Industrial Co., Ltd. Dongguan Guangdong Contract manufacturer 2

Record

Regulatory record for Quadsense
Listed by Eventum Orthopaedics Ltd, United Kingdom
FDA product code ONN
Device type Intraoperative Orthopedic Joint Assessment Aid
Device class Class 2
Regulation 21 CFR 882.4560
Establishment Complaint-file establishment, Manufacturer
510(k) K241298
Record published 2025-01-22

Specifications

Specifications
MRI safety Labeling does not contain MRI Safety Information
Supplied sterile Yes
Single use Yes
Prescription Prescription only
Label carries lot or batch number, expiry date, manufacturing date
Storage Storage environment humidity 20 to 80 % RH; Storage environment atmospheric pressure 70 to 106 KiloPascal; Storage environment temperature 10 to 35 °C

Catalogue Numbers

Catalogue numbers for Quadsense
Catalogue number Size Status
SE001 In distribution

Same Product Code

Other products under the same FDA product code
Product Sold by Catalogue numbers
Verasense Orthosensor, Inc. 140
Lantern OrthAlign, Inc. 24
LinkStation Mini Orthosensor, Inc. 8
Linkstation Mini Evaluation Kit Orthosensor, Inc. 8
Verasense for Stryker Triathlon Orthosensor, Inc. 6
Verasense for Zimmer Biomet Persona Orthosensor, Inc. 6
Lantern ASC OrthAlign, Inc. 4
eLIBRA® Synvasive Technology, Inc. 2
Verasense for Exactech Equinoxe Reverse Orthosensor, Inc. 2
Lantern Surgical Assistant OrthAlign, Inc. 1
Dongle Assembly Eventum Orthopaedics Ltd 1
Quadsense Pro Eventum Orthopaedics Ltd 1

Showing 12 of 15. All products under Intraoperative Orthopedic Joint Assessment Aid

510(K) Clearances

FDA 510(k) clearances naming this product code
Clearance Decision date
K252524 2025-09-09
K241298 2024-10-04

Source: U.S. FDA establishment registration and device listing records, public domain. Restructured for clarity and searchability. Not affiliated with or endorsed by the FDA. Records are records: nothing here is an offer of sale.

Where China Actually Supplies

Every device page names the company that lists it and the factories registered to make the same thing. These are the sections with the most of them.

5,100manufacturers registered in China
2,581device types they are registered for
340,248device records, each naming its maker
31provinces with a registered manufacturer